39d21e21f1
This requires a number of changes to atsamd21 code. It's not a very clean separation, but I couldn't come up with a better one.
46 строки
688 Б
Go
46 строки
688 Б
Go
// +build sam,atsamd21,circuitplay_express
|
|
|
|
package machine
|
|
|
|
import "device/sam"
|
|
|
|
// UART1 on the Circuit Playground Express.
|
|
var (
|
|
UART1 = UART{
|
|
Buffer: NewRingBuffer(),
|
|
Bus: sam.SERCOM4_USART,
|
|
SERCOM: 4,
|
|
}
|
|
)
|
|
|
|
//go:export SERCOM1_IRQHandler
|
|
func handleUART1() {
|
|
defaultUART1Handler()
|
|
}
|
|
|
|
// I2C on the Circuit Playground Express.
|
|
var (
|
|
// external device
|
|
I2C0 = I2C{
|
|
Bus: sam.SERCOM5_I2CM,
|
|
SERCOM: 5,
|
|
}
|
|
// internal device
|
|
I2C1 = I2C{
|
|
Bus: sam.SERCOM1_I2CM,
|
|
SERCOM: 1,
|
|
}
|
|
)
|
|
|
|
// SPI on the Circuit Playground Express.
|
|
var (
|
|
SPI0 = SPI{
|
|
Bus: sam.SERCOM3_SPI,
|
|
SERCOM: 3,
|
|
}
|
|
)
|
|
|
|
// I2S on the Circuit Playground Express.
|
|
var (
|
|
I2S0 = I2S{Bus: sam.I2S}
|
|
)
|